Question about Compaq tc4400 Tablet PC

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Purchased lap top from work person I replaced added a password so I can not use it. HP Compaq tc 4400 how do I remove, the safest way thanks Harleygirl

I purchased a lap top HP Compaq tc 4400 from where I work and the person they let go put a pass word on so I can not log in, what do I do?

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Please let me know whats the OS you are using. If you are using XP it is a relatively simple reset procedure. However if you are using vista the easiest way to get rid of it would be to re-install the OS.

Posted on May 26, 2009

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Posted on Jan 02, 2017

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Laptop hp compaq tc 4400 is not charging , during adapter connected to laptop and turning power/standby led ... it doesnt switches on, instead battery charging led blinks 4 times, and doesnt turns on, so...


Whenyou connect the power adapter into the laptop, does the power LED lightup? If not then - The battery adapter or the adapter's power lead or the laptop's powersocket could be faulty. Check power adapter's DCplug that connects into the laptop power socket with a multi-meter, the voltageshould be slightly higher than the voltage that is printed on the label on thebottom of the adapter. If the voltage is zero or way below the voltage that isprinted on the label then the power adapter is faulty and needs to be replaced. If the adapter is OK thenconnect it to the laptop and power it up, then look at the power/batterycharging LED light and wriggle the power plug in the laptop's powersocket. If the power/battery LED light flashes and in a certain position thisLED light stays firm, then the power socket is either faulty or it has a drysolder joint where it is connected to the motherboard. This can be repaired but itrequires the laptop to be completely dismantled to get at this power socket andrepair. If you cannot DIY then I suggest you get a quote first.

Apr 16, 2011 | Compaq tc4400 Tablet PC

1 Answer

How do i install and wipe all data from lap top if theres no disc drive


You don't need to. The only info left is the bios data, that is needed to use the laptop again with a new hard drive. All your personal data was removed when the drive was removed.

However, its still on the drive, so unless you're going to keep it as a back up or something you still need to destroy the data. A lug hammer would be a good start.

Mar 27, 2011 | Compaq 2710p Tablet PC

2 Answers

Hp tc 4400 hard drive enclosure needs to be replace i need a part number


This sounds interesting. Are you ordering the part from HP? If so, they should be able to provide the part number. Otherwise, you will have to get hold of a repair manual- they have the parts lists. Here is a phone number for HP Support: 800-HP invent.

Apr 12, 2010 | Compaq tc4400 Tablet PC

1 Answer

My HP Compaq tc 4400 tablet screen keeps on flipping with out doing anything


The tablet buttons can be disabled to stop your screen from rotating. Go to Control Panel > Tablet and Pen Settings > Tablet Buttons > select the rotate button and click change > select "None" on the drop down menu.

Feb 22, 2010 | Compaq tc4400 Tablet PC

1 Answer

Is there another way extra button to turn on my HP TC 4400" the "on" switch is broken inside of the computer


You can actually short out the on/off circuit with a flat head screw driver. I have to do this until I can find somewhere to purchase a replacement sliding switch to attach to the new motherboard which I have waiting to be installed. Alternatively purchase a cheap docking station off ebay

Jun 08, 2009 | Compaq tc4400 Tablet PC

1 Answer

Hi i need driver o software pen ( compaq tc 4400 XP )


I belive you will find what you are looking for on this page please follow this link to download your touchpad/PEN driver >

http://h20000.www2.hp.com/bizsupport/TechSupport/SoftwareIndex.jsp?lang=en&cc=us&prodNameId=1849071&prodTypeId=321957&prodSeriesId=1847962&swLang=8&taskId=135&swEnvOID=1059#11318

just copy that link and paste it into your address bar at the top of your internet browser then hit search or press enter.

hope this helped you but if it does not help please do not hesitate to re post your issue and we will keep trying to solve it for you.

Thanks Reguards: PC Pro

Dec 15, 2008 | Compaq tc4400 Tablet PC (RL875AW#ABA)

1 Answer

Compaq tc 4400 battery does not charge


You may need a new battery... Somehow the way to test this is to try charging it on another laptop of the same model.

Dec 14, 2008 | Compaq tc4400 Tablet PC (RL875AW#ABA)

1 Answer

TC 4400


The THERMAL PASTE which bonds your laptop's heatsink and cpu together is not good. It will not obsorb the heat good enough, which causes your laptop to OVERHEAT from time to time... Have someone re-apply a new thermal paste on it then it will be fine...

- I've worked on laptops and desktops for 10+ years. Take my words for it.

Oct 08, 2008 | Compaq tc4400 Tablet PC (RL875AW#ABA)

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